Adding two more people to the RELICENSING file.
[tinycc.git] / configure
blob6a796f3db01a67c7ea26b0c9672138962eb97d2a
1 #!/bin/sh
2 #
3 # tcc configure script (c) 2003 Fabrice Bellard
5 # set temporary file name
6 # if test ! -z "$TMPDIR" ; then
7 # TMPDIR1="${TMPDIR}"
8 # elif test ! -z "$TEMPDIR" ; then
9 # TMPDIR1="${TEMPDIR}"
10 # else
11 # TMPDIR1="/tmp"
12 # fi
13 #
14 # bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
16 TMPN="./conftest-$$"
17 TMPH=$TMPN.h
19 # default parameters
20 build_cross="no"
21 use_libgcc="no"
22 enable_assert="no"
23 prefix=""
24 execprefix=""
25 bindir=""
26 libdir=""
27 tccdir=""
28 includedir=""
29 mandir=""
30 infodir=""
31 sysroot=""
32 cross_prefix=""
33 cc="gcc"
34 host_cc="gcc"
35 ar="ar"
36 strip="strip"
37 cygwin="no"
38 gprof="no"
39 bigendian="no"
40 mingw32="no"
41 LIBSUF=".a"
42 EXESUF=""
43 tcc_sysincludepaths=""
44 tcc_libpaths=""
45 tcc_crtprefix=""
46 tcc_elfinterp=""
47 tcc_lddir=
48 confvars=
49 cpu=
51 host_os=`uname`
52 case $host_os in
53 MINGW32*) host_os=Windows; ;;
54 *) ;;
55 esac
57 # OS specific
58 targetos=`uname`
59 case $targetos in
60 MINGW32*) mingw32=yes; host_os=Windows; ;;
61 DragonFly) noldl=yes;;
62 OpenBSD) noldl=yes;;
63 FreeBSD) noldl=yes;;
64 NetBSD) noldl=yes;;
65 *) ;;
66 esac
68 # find source path
69 # XXX: we assume an absolute path is given when launching configure,
70 # except in './configure' case.
71 source_path=${0%configure}
72 source_path=${source_path%/}
73 source_path_used="yes"
74 if test -z "$source_path" -o "$source_path" = "." ; then
75 source_path=`pwd`
76 source_path_used="no"
77 fi
79 classify_cpu ()
80 {
81 cpu="$1"
83 case "$cpu" in
84 x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
85 cpu="x86"
86 ;;
87 x86_64|amd64)
88 cpu="x86-64"
89 ;;
90 arm*)
91 case "$cpu" in
92 arm|armv4l)
93 cpuver=4
94 ;;
95 armv5tel|armv5tejl)
96 cpuver=5
97 ;;
98 armv6j|armv6l)
99 cpuver=6
100 ;;
101 armv7a|armv7l)
102 cpuver=7
103 ;;
104 esac
105 cpu="armv4l"
106 ;;
107 aarch64)
108 cpu="aarch64"
109 ;;
110 alpha)
111 cpu="alpha"
112 ;;
113 "Power Macintosh"|ppc|ppc64)
114 cpu="powerpc"
115 ;;
116 mips)
117 cpu="mips"
118 ;;
119 s390)
120 cpu="s390"
121 ;;
122 *)
123 echo "Unsupported CPU: $cpu"
124 exit 1
125 ;;
126 esac
129 for opt do
130 eval opt=\"$opt\"
131 case "$opt" in
132 --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
133 ;;
134 --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
135 ;;
136 --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
137 ;;
138 --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
139 ;;
140 --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
141 ;;
142 --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
143 ;;
144 --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
145 ;;
146 --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
147 ;;
148 --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
149 ;;
150 --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
151 ;;
152 --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
153 ;;
154 --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
155 ;;
156 --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
157 ;;
158 --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
159 ;;
160 --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
161 ;;
162 --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
163 ;;
164 --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
165 ;;
166 --cc=*) cc=`echo $opt | cut -d '=' -f 2`
167 ;;
168 --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
169 ;;
170 --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
171 ;;
172 --extra-libs=*) extralibs=${opt#--extra-libs=}
173 ;;
174 --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
175 ;;
176 --enable-gprof) gprof="yes"
177 ;;
178 --enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86; targetos=Windows;
179 ;;
180 --enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86; targetos=Windows;
181 ;;
182 --enable-tcc32-mingw) mingw32="yes" ; cross_prefix="i386-win-" ; cpu=x86; cc=tcc; targetos=Windows;
183 ;;
184 --enable-tcc64-mingw) mingw32="yes" ; cross_prefix="x86_64-win-" ; cpu=x86_64; cc=tcc; targetos=Windows;
185 ;;
186 --enable-cross) build_cross="yes"
187 ;;
188 --enable-assert) enable_assert="yes"
189 ;;
190 --disable-static) disable_static="yes"
191 ;;
192 --disable-rpath) disable_rpath="yes"
193 ;;
194 --strip-binaries) strip_binaries="yes"
195 ;;
196 --with-libgcc) use_libgcc="yes"
197 ;;
198 --with-selinux) have_selinux="yes"
199 ;;
200 --help|-h) show_help="yes"
201 ;;
202 *) echo "configure: WARNING: unrecognized option $opt"
203 ;;
204 esac
205 done
207 if test -z "$cpu" ; then
208 if test -n "$ARCH" ; then
209 cpu="$ARCH"
210 else
211 cpu=`uname -m`
212 fi
213 fi
214 classify_cpu "$cpu"
216 # Checking for CFLAGS
217 if test -z "$CFLAGS"; then
218 CFLAGS="-Wall -g -O0"
219 fi
221 if test "$mingw32" = "yes" ; then
222 if test x"$tccdir" = x""; then
223 tccdir="tcc"
224 fi
225 if test -z "$prefix" ; then
226 prefix="C:/Program Files/${tccdir}"
227 fi
228 if test -z "$sharedir" ; then
229 sharedir="${prefix}"
230 fi
231 execprefix="$prefix"
232 bindir="${prefix}"
233 tccdir="${prefix}"
234 libdir="${prefix}/lib"
235 docdir="${sharedir}/doc"
236 mandir="${sharedir}/man"
237 infodir="${sharedir}/info"
238 LIBSUF=".lib"
239 EXESUF=".exe"
240 else
241 if test -z "$prefix" ; then
242 prefix="/usr/local"
243 fi
244 if test -z "$sharedir" ; then
245 sharedir="${prefix}/share"
246 fi
247 if test x"$execprefix" = x""; then
248 execprefix="${prefix}"
249 fi
250 if test x"$tccdir" = x""; then
251 tccdir="tcc"
252 fi
253 if test x"$libdir" = x""; then
254 libdir="${execprefix}/lib"
255 if test -n "${tccdir}"; then
256 tccdir="${libdir}/${tccdir}"
257 else
258 tccdir="${libdir}"
259 fi
260 if test "$cpu" = "x86-64"; then
261 libdir="${execprefix}/lib64"
262 fi
263 else
264 tccdir="${libdir}/${tccdir}"
265 fi
266 if test x"$bindir" = x""; then
267 bindir="${execprefix}/bin"
268 fi
269 if test x"$docdir" = x""; then
270 docdir="${sharedir}/doc/${tccdir}"
271 fi
272 if test x"$mandir" = x""; then
273 mandir="${sharedir}/man"
274 fi
275 if test x"$infodir" = x""; then
276 infodir="${sharedir}/info"
277 fi
278 fi # mingw32
280 if test x"$includedir" = x""; then
281 includedir="${prefix}/include"
282 fi
284 if test x"$show_help" = "xyes" ; then
285 cat << EOF
286 Usage: configure [options]
287 Options: [defaults in brackets after descriptions]
289 Standard options:
290 --help print this message
291 --prefix=PREFIX install in PREFIX [$prefix]
292 --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
293 [same as prefix]
294 --bindir=DIR user executables in DIR [EPREFIX/bin]
295 --libdir=DIR object code libraries in DIR [EPREFIX/lib]
296 --tccdir=DIR installation directory [EPREFIX/lib/tcc]
297 --includedir=DIR C header files in DIR [PREFIX/include]
298 --sharedir=DIR documentation root DIR [PREFIX/share]
299 --docdir=DIR documentation in DIR [SHAREDIR/doc/tcc]
300 --mandir=DIR man documentation in DIR [SHAREDIR/man]
301 --infodir=DIR info documentation in DIR [SHAREDIR/info]
303 Advanced options (experts only):
304 --source-path=PATH path of source code [$source_path]
305 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
306 --sysroot=PREFIX prepend PREFIX to library/include paths []
307 --cc=CC use C compiler CC [$cc]
308 --extra-cflags= specify compiler flags [$CFLAGS]
309 --extra-ldflags= specify linker options []
310 --cpu=CPU CPU [$cpu]
311 --strip-binaries strip symbol tables from resulting binaries
312 --disable-static make libtcc.so instead of libtcc.a
313 --disable-rpath disable use of -rpath with the above
314 --with-libgcc use libgcc_s.so.1 instead of libtcc1.a in dynamic link
315 --enable-tcc64-mingw build windows version on linux with x86_64-win-tcc
316 --enable-tcc32-mingw build windows version on linux with i386-win-tcc
317 --enable-mingw32 build windows version on linux with mingw32
318 --enable-cygwin build windows version on windows with cygwin
319 --enable-cross build cross compilers
320 --enable-assert enable debug assertions
321 --with-selinux use mmap for exec mem [needs writable /tmp]
322 --sysincludepaths=... specify system include paths, colon separated
323 --libpaths=... specify system library paths, colon separated
324 --crtprefix=... specify locations of crt?.o, colon separated
325 --elfinterp=... specify elf interpreter
326 EOF
327 #echo "NOTE: The object files are build at the place where configure is launched"
328 exit 1
329 fi
331 if test "$cc" != "tcc"; then
332 ar="${cross_prefix}${ar}"
333 fi
334 cc="${cross_prefix}${cc}"
335 strip="${cross_prefix}${strip}"
337 CONFTEST=./conftest$EXESUF
339 if test -z "$cross_prefix" ; then
340 if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
341 echo "configure: error: '$cc' failed to compile conftest.c."
342 else
343 bigendian="$($CONFTEST bigendian)"
344 gcc_major="$($CONFTEST version)"
345 gcc_minor="$($CONFTEST minor)"
346 if test "$mingw32" = "no" ; then
347 triplet="$($CONFTEST triplet)"
348 if test -f "/usr/lib/$triplet/crti.o" ; then
349 tcc_lddir="lib"
350 multiarch_triplet="$triplet"
351 elif test "$cpu" != "x86" -a -f "/usr/lib64/crti.o" ; then
352 tcc_lddir="lib64"
353 fi
355 if test "$cpu" = "armv4l" ; then
356 if test "${triplet%eabihf}" != "$triplet" ; then
357 confvars="$confvars arm_eabihf"
358 elif test "${triplet%eabi}" != "$triplet" ; then
359 confvars="$confvars arm_eabi"
360 fi
361 if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
362 confvars="$confvars arm_vfp"
363 fi
364 fi
366 # multiarch_triplet=${libc_dir#*/}
367 # multiarch_triplet=${multiarch_triplet%/}
368 # tcc_lddir="${libc_dir%%/*}"
369 # if test -n "$multiarch_triplet" ; then
370 # tcc_lddir="$tcc_lddir/$multiarch_triplet"
371 # fi
373 if test -f "/lib/ld-uClibc.so.0" ; then
374 confvars="$confvars uClibc"
375 fi
376 # gr: maybe for after the release:
377 # tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
378 # echo "elfinterp $tcc_elfinterp"
380 fi
381 fi
382 else
383 # if cross compiling, cannot launch a program, so make a static guess
384 case $cpu in
385 powerpc|mips|s390) bigendian=yes;;
386 esac
387 fi
389 # a final configuration tuning
390 W_OPTIONS="declaration-after-statement"
391 for i in $W_OPTIONS; do
392 O_PRESENT="$($cc -v --help 2>&1 | grep -- -W$i)"
393 if test -n "$O_PRESENT"; then CFLAGS="$CFLAGS -W$i"; fi
394 done
395 W_OPTIONS="deprecated-declarations strict-aliasing pointer-sign sign-compare unused-result uninitialized"
396 for i in $W_OPTIONS; do
397 O_PRESENT="$($cc -v --help 2>&1 | grep -- -W$i)"
398 if test -n "$O_PRESENT"; then CFLAGS="$CFLAGS -Wno-$i"; fi
399 done
400 F_OPTIONS="strict-aliasing"
401 for i in $F_OPTIONS; do
402 O_PRESENT="$($cc -v --help 2>&1 | grep -- -f$i)"
403 if test -n "$O_PRESENT"; then CFLAGS="$CFLAGS -fno-$i"; fi
404 done
405 if test -z "$tcc_lddir" -a "$cpu" = "x86-64"; then tcc_lddir="lib64"; fi
407 echo "Binary directory $bindir"
408 echo "TinyCC directory $tccdir"
409 echo "Library directory $libdir"
410 echo "Include directory $includedir"
411 echo "Manual directory $mandir"
412 echo "Info directory $infodir"
413 echo "Doc directory $docdir"
414 echo "Target root prefix $sysroot"
415 echo "Source path $source_path"
416 echo "C compiler $cc"
417 echo "cross compilers $build_cross"
418 if test "$build_cross" = "no"; then
419 echo "Target CPU $cpu"
420 fi
421 echo "Host OS $host_os"
422 echo "Target OS $targetos"
423 echo "Big Endian $bigendian"
424 echo "gprof enabled $gprof"
425 echo "use libgcc $use_libgcc"
427 echo "Creating config.mak and config.h"
429 cat >config.mak <<EOF
430 # Automatically generated by configure - do not modify
431 prefix=$prefix
432 bindir=\$(DESTDIR)$bindir
433 tccdir=\$(DESTDIR)$tccdir
434 libdir=\$(DESTDIR)$libdir
435 ln_libdir=$libdir
436 includedir=\$(DESTDIR)$includedir
437 mandir=\$(DESTDIR)$mandir
438 infodir=\$(DESTDIR)$infodir
439 docdir=\$(DESTDIR)$docdir
440 CC=$cc
441 GCC_MAJOR=$gcc_major
442 GCC_MINOR=$gcc_minor
443 HOST_CC=$host_cc
444 AR=$ar
445 STRIP=$strip -s -R .comment -R .note
446 CFLAGS=$CFLAGS
447 LDFLAGS=$LDFLAGS
448 LIBSUF=$LIBSUF
449 EXESUF=$EXESUF
450 HOST_OS=$host_os
451 EOF
452 if test "$mingw32" = "yes" -a "$host_os" != "Windows" ; then
453 cat >>config.mak <<EOF
454 XCC=$cc
455 XAR=$ar
456 EOF
457 fi
459 print_inc() {
460 if test -n "$2"; then
461 echo "#ifndef $1" >> $TMPH
462 echo "# define $1 \"$2\"" >> $TMPH
463 echo "#endif" >> $TMPH
464 fi
466 print_mak() {
467 if test -n "$2"; then
468 echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
469 fi
472 echo "/* Automatically generated by configure - do not modify */" > $TMPH
474 print_inc CONFIG_SYSROOT "$sysroot"
475 print_inc CONFIG_TCCDIR "$tccdir"
476 if test "$build_cross" = "no"; then
477 print_inc CONFIG_LDDIR "$tcc_lddir"
478 fi
479 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
480 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
481 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
482 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
483 print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
485 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
486 echo "#define GCC_MINOR $gcc_minor" >> $TMPH
488 if test "$cpu" = "x86" ; then
489 echo "ARCH=i386" >> config.mak
490 elif test "$cpu" = "x86-64" ; then
491 echo "ARCH=x86-64" >> config.mak
492 elif test "$cpu" = "armv4l" ; then
493 echo "ARCH=arm" >> config.mak
494 echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
495 elif test "$cpu" = "aarch64" ; then
496 echo "ARCH=arm64" >> config.mak
497 elif test "$cpu" = "powerpc" ; then
498 echo "ARCH=ppc" >> config.mak
499 elif test "$cpu" = "mips" ; then
500 echo "ARCH=mips" >> config.mak
501 elif test "$cpu" = "s390" ; then
502 echo "ARCH=s390" >> config.mak
503 elif test "$cpu" = "alpha" ; then
504 echo "ARCH=alpha" >> config.mak
505 else
506 echo "Unsupported CPU"
507 exit 1
508 fi
510 echo "TARGETOS=$targetos" >> config.mak
512 for v in $confvars ; do
513 echo "CONFIG_$v=yes" >> config.mak
514 done
515 if test "$noldl" = "yes" ; then
516 echo "CONFIG_NOLDL=yes" >> config.mak
517 fi
518 if test "$mingw32" = "yes" ; then
519 echo "CONFIG_WIN32=yes" >> config.mak
520 echo "#define CONFIG_WIN32 1" >> $TMPH
521 fi
522 if test "$cygwin" = "yes" ; then
523 echo "#ifndef _WIN32" >> $TMPH
524 echo "# define _WIN32" >> $TMPH
525 echo "#endif" >> $TMPH
526 echo "AR=ar" >> config.mak
527 fi
528 if test "$bigendian" = "yes" ; then
529 echo "WORDS_BIGENDIAN=yes" >> config.mak
530 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
531 fi
532 if test "$gprof" = "yes" ; then
533 echo "TARGET_GPROF=yes" >> config.mak
534 echo "#define HAVE_GPROF 1" >> $TMPH
535 fi
536 if test "$build_cross" = "yes" ; then
537 echo "CONFIG_CROSS=yes" >> config.mak
538 fi
539 if test "$disable_static" = "yes" ; then
540 echo "DISABLE_STATIC=yes" >> config.mak
541 fi
542 if test "$disable_rpath" = "yes" ; then
543 echo "DISABLE_RPATH=yes" >> config.mak
544 fi
545 if test "$strip_binaries" = "yes" ; then
546 echo "STRIP_BINARIES=yes" >> config.mak
547 fi
548 if test "$use_libgcc" = "yes" ; then
549 echo "#define CONFIG_USE_LIBGCC" >> $TMPH
550 echo "CONFIG_USE_LIBGCC=yes" >> config.mak
551 fi
552 if test "$have_selinux" = "yes" ; then
553 echo "#define HAVE_SELINUX" >> $TMPH
554 echo "HAVE_SELINUX=yes" >> config.mak
555 fi
556 if test "$enable_assert" = "yes" ; then
557 echo "#define CONFIG_TCC_ASSERT" >> $TMPH
558 fi
560 version=`head $source_path/VERSION`
561 echo "VERSION=$version" >>config.mak
562 echo "#define TCC_VERSION \"$version\"" >> $TMPH
563 echo "@set VERSION $version" > config.texi
564 echo "SRC_PATH=$source_path" >>config.mak
566 if test "$source_path_used" = "yes" ; then
567 case $source_path in
568 /*) echo "top_srcdir=$source_path";;
569 *) echo "top_srcdir=\$(TOP)/$source_path";;
570 esac >>config.mak
571 else
572 echo 'top_srcdir=$(TOP)' >>config.mak
573 fi
574 echo 'top_builddir=$(TOP)' >>config.mak
576 diff $TMPH config.h >/dev/null 2>&1
577 if test $? -ne 0 ; then
578 mv -f $TMPH config.h
579 else
580 echo "config.h is unchanged"
581 fi
583 rm -f $TMPN* $CONFTEST
585 # ---------------------------------------------------------------------------
586 # build tree in object directory if source path is different from current one
588 fn_makelink()
590 tgt=$1/$2
591 case $2 in
592 */*) dn=${2%/*}
593 test -d $dn || mkdir -p $dn
594 case $1 in
595 /*) ;;
596 *) while test $dn ; do
597 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
598 done
599 ;;
600 esac
601 ;;
602 esac
603 ln -sfn $tgt $2
606 if test "$source_path_used" = "yes" ; then
607 FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
608 for f in $FILES ; do
609 fn_makelink $source_path $f
610 done
611 fi
613 # ---------------------------------------------------------------------------